Bump alpine/terragrunt from 1.2.5 to 1.2.6 (super-linter#3188)

Bumps alpine/terragrunt from 1.2.5 to 1.2.6.

---
updated-dependencies:
- dependency-name: alpine/terragrunt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -7,7 +7,7 @@
 #########################################
 # Get dependency images as build stages #
 #########################################
-FROM alpine/terragrunt:1.2.5 as terragrunt
+FROM alpine/terragrunt:1.2.6 as terragrunt
 FROM tenable/terrascan:1.15.2 as terrascan
 FROM assignuser/chktex-alpine:v0.1.1 as chktex
 FROM cljkondo/clj-kondo:2022.03.09-alpine as clj-kondo